onslaught

Noun

• the rapid and continuous delivery of linguistic communication (spoken or written)
  • a barrage of questions
    
  • a bombardment of mail complaining about his mistake
    

• (military) an offensive against an enemy (using weapons)
  • the attack began at dawn
    

• a sudden and severe onset of trouble

Related words

• Synonyms: 
  barrage , bombardment , outpouring , attack , onset , onrush